OpenTechnical

OT-2026-000057765

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057765) never changes.

Identity and time

Publication numberOT-2026-000057765 · never reused
Internal UUID01a0ae88-6ed7-795d-88b2-d74675bc3893 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057765
StatusPUBLIC

Content hashes

Canonical text7f3cc3cc9c7f72bcbd73cfab28088092520757264e922ae9cc30ee3ca1254969
Markdown36a71af8fdfa56cb4cbb3754432d6cb00fdd1f4addfe91c0dc018cfa0fa1d550
PDF
Publication pageeff7162c86e98df07b40c5dd76139148b9a2b83bb6f7d08bd49662e1235c38fa
Manifeste79e4e9177bc69342e5aff50379e4c5712107dba5aa515d72d7ee5c160f129b4

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureza9RFJyUncWCuwMe4iiU/oC7mXlC7TFaQB+Uu0zD4ITnga5henMeZ2oWHnEHfN+KGltbOB3rhFrzUovmbLypDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:18.736287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057765
observed eff7162c86e98df07b40c5dd76139148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.718016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057765/manifest.json
observed e79e4e9177bc69342e5aff50379e4c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.699674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057765/publication.md
observed 36a71af8fdfa56cb4cbb3754432d6cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.680495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057765/publication.txt
observed 7f3cc3cc9c7f72bcbd73cfab28088092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.